89397541 has 2 divisors, whose sum is σ = 89397542. Its totient is φ = 89397540.

The previous prime is 89397491. The next prime is 89397547. The reversal of 89397541 is 14579398.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51624225 + 37773316 = 7185^2 + 6146^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89397541 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 89397491 and 89397500.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89397547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44698770 + 44698771.

It is an arithmetic number, because the mean of its divisors is an integer number (44698771).

Almost surely, 2^89397541 is an apocalyptic number.

It is an amenable number.

89397541 is a deficient number, since it is larger than the sum of its proper divisors (1).

89397541 is an equidigital number, since it uses as much as digits as its factorization.

89397541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 272160, while the sum is 46.

The square root of 89397541 is about 9455.0272871103. The cubic root of 89397541 is about 447.1382859854.

The spelling of 89397541 in words is "eighty-nine million, three hundred ninety-seven thousand, five hundred forty-one".